round port

[chasepb 10+ year member]

where can i find 10" round cardboard to use for a port ?

thanks chase

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[basscort2009 5,000+ posts]

i hope ur talking bout sonotube, thats the only "cardboard" that would be suitable for a port. just get a 10" sonotube in the concrete section of home depot. fiberglass resin it and ur good to go

 

[chasepb 10+ year member]

idk what size port to go with 8' 10' 12' whats a good size for a hd318

6 QF box

thanks chase

 

[terra 5,000+ posts]

6" aero? 2 6"s?

 

[basscort2009 5,000+ posts]

depends on ur box size and what tuning u want. u dont just choose a size and put it in. so give me the

box size. cubic feet

tuning desired.

power ur giving the sub

and ill come up with something real quick

 

[chasepb 10+ year member]

6.8 cf

35 hz

2k

 

[basscort2009 5,000+ posts]

6.8 ft before sub and port displacment or after?

 

[chasepb 10+ year member]

be for

 

[basscort2009 5,000+ posts]

10" sonotube needs to be about 22 inches long for 35 htz tuning after displacments

 

[chasepb 10+ year member]

do u have to fiberglass resin it ??